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Finding the Fourth Proportional to 522,060.10, 781,340.55 and 522,060.10

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Solution

The fourth proportional to 522,060.10, 781,340.55 and 522,060.10 is: 781,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,060.10 : 781,340.55 = 522,060.10 : x
  2. Step 2: Convert to fraction form
    522,060.10/781,340.55 = 522,060.10/x
  3. Step 3: Cross multiply
    522,060.10x = 781,340.55 × 522,060.10
  4. Step 4: Simplify right side
    522,060.10x = 407,906,725,667.06
  5. Step 5: Solve for x
    x = 407,906,725,667.06/522,060.10
  6. Step 6: Final answer
    x = 781,340.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.